docs: def _gmtime(timestamp):
      """Custom gmtime because yada yada.
      """
      try:
          return time.gmtime(timestamp)
      except OSError:
          dt = datetime.datetime(1970, 1, 1) + datetime.timedelta(seconds=timestamp)
          dst = int(_isdst(dt))
          return time.struct_time(dt.timetuple()[:8] + tuple([dst]))